| r"""Command-line tool to validate and pretty-print JSON | |
| Usage:: | |
| $ echo '{"json":"obj"}' | hjson | |
| { | |
| "json": "obj" | |
| } | |
| """ | |
| from __future__ import with_statement | |
| import sys | |
| import hjson | |
| HELP="""Hjson, a user interface for JSON | |
| Usage: | |
| hjson [options] | |
| hjson [options] <input> | |
| hjson (-h | --help) | |
| hjson (-V | --version) | |
| Options: | |
| -h --help Show this screen. | |
| -j Output as formatted JSON. | |
| -c Output as JSON. | |
| -V --version Show version. | |
| """; | |
| def showerr(msg): | |
| sys.stderr.write(msg) | |
| sys.stderr.write("\n") | |
| def main(): | |
| format = 'hjson' | |
| args = [] | |
| for arg in sys.argv[1:]: | |
| if arg == '-h' or arg == '--help': | |
| showerr(HELP) | |
| return | |
| elif arg == '-j': format = 'json' | |
| elif arg == '-c': format = 'compact' | |
| elif arg == '-V' or arg == '--version': | |
| showerr('Hjson ' + hjson.__version__) | |
| return | |
| elif arg[0] == '-': | |
| showerr(HELP) | |
| raise SystemExit('unknown option ' + arg) | |
| else: | |
| args.append(arg) | |
| outfile = sys.stdout | |
| if len(args) == 0: | |
| infile = sys.stdin | |
| elif len(args) == 1: | |
| infile = open(args[0], 'r') | |
| else: | |
| showerr(HELP) | |
| raise SystemExit('unknown options') | |
| with infile: | |
| try: | |
| obj = hjson.load(infile, use_decimal=True) | |
| except ValueError: | |
| raise SystemExit(sys.exc_info()[1]) | |
| with outfile: | |
| if format == 'json': | |
| hjson.dumpJSON(obj, outfile, ensure_ascii=False, use_decimal=True, indent=' ') | |
| elif format == 'compact': | |
| hjson.dumpJSON(obj, outfile, ensure_ascii=False, use_decimal=True, separators=(',', ':')) | |
| else: | |
| hjson.dump(obj, outfile, ensure_ascii=False, use_decimal=True) | |
| outfile.write('\n') | |
| if __name__ == '__main__': | |
| main() | |